Heat exchanger, air conditioner arrangement and switch cabinet

Abstract

A heat exchanger of an air conditioner includes a housing having a cabinet side housing region and an external housing region, and a partition wall element arranged therebetween which fluidically separates the cabinet side housing region and the external housing region, with a pipe system having a first manifold and a second manifold and multiple pipe elements, the free ends of which open into the manifolds, at least one manifold having a coolant inlet and at least one manifold having a coolant outlet, fluidly connected by the pipe system, the pipe elements are connected with two mounting plates which surround the pipe elements in a gas-impermeable manner, so that the heat exchanger can be installed in the partition wall element so that in the assembled state the manifolds are in the external housing region and at least portions of the pipe elements are in the cabinet side housing region.

1 . Heat exchanger, in particular a heat exchanger of an air conditioner arrangement that is configured for air conditioning in a switch cabinet, wherein the air conditioner arrangement comprises a housing that has a cabinet side housing region and an external housing region, as well as a partition wall element that is arranged between the cabinet side housing region and the external housing region and separates the cabinet side housing region and the external housing region from each other fluidically, with a pipe system configured to transport a coolant, wherein the pipe system has a first manifold and a second manifold and multiple pipe elements, the free ends of which open into the manifolds, wherein at least of the manifolds has a coolant inlet and at least one of the manifolds has a coolant outlet, which are connected to each other in a fluid-conducting manner by the pipe system, wherein the pipe elements are connected with two mounting plates which are arranged at a distance from one another and surround the pipe elements in gas-impermeable manner, so that the heat exchanger can be installed in the partition wall element in such a manner that in the assembled state the manifolds are arranged in the external housing region and at least portions of the pipe elements are arranged in the cabinet side housing region. 
     
     
         2 . Heat exchanger according to  claim 1 , wherein the pipe elements and the manifolds are connected to each other by material bonding via connection points. 
     
     
         3 . Heat exchanger according to  claim 1 , wherein each of the pipe elements are embodied as a pipe insert or pipe string, wherein a pipe string includes a multiplicity of channels arranged parallel to each other. 
     
     
         4 . Heat exchanger according to  claim 1 , with a heat transfer element, in particular a fin arrangement having a multiplicity of fins, which are connected to the pipe elements in a heat conducting manner, wherein preferably the fins are of wavelike construction and are arranged between each two pipe elements. 
     
     
         5 . Heat exchanger according to  claim 4 , wherein one of the mounting plates in each case is arranged between the fins and the manifolds. 
     
     
         6 . Heat exchanger according to  claim 1 , wherein the coolant inlet and the coolant outlet are arranged on the same manifold or on different manifolds. 
     
     
         7 . Heat exchanger according to  claim 1 , wherein the manifolds each include a number of partition walls that separate the manifolds into a number of capsules, wherein the partition walls are arranged such that the coolant can be routed multiple times through at least one of the manifolds from the coolant inlet to the coolant outlet. 
     
     
         8 . Heat exchanger according to  claim 7 , wherein the coolant inlet and the coolant outlet are arranged on the same manifold, wherein the number N of partition walls in the first manifold and the number M of partition walls in the second manifold is represented by: M=N−1. 
     
     
         9 . Heat exchanger according to  claim 7 , wherein the coolant inlet and the coolant outlet are arranged on different manifolds, wherein the number N of partition walls in the first manifold and the number M of partition walls in the second manifold is represented by: M=N. 
     
     
         10 . Heat exchanger according to  claim 1 , wherein the pipe elements have a curvature relative to their respective longitudinal axis that is less than or equal to 90°, in particular less than or equal to 45°. 
     
     
         11 . Heat exchanger according to  claim 1 , wherein the pipe elements have no curvature relative to their respective longitudinal axis. 
     
     
         12 . Heat exchanger according to  claim 1 , wherein the manifolds, the pipe elements, the fins and the mounting plates are made of aluminium and are soldered to each other at the connection points. 
     
     
         13 . Heat exchanger according to  claim 1 , wherein one of the mounting plates is larger than the other of the mounting plates, so that the heat exchanger can be introduced into a housing opening in particular into an opening in the housing of the air conditioner arrangement. 
     
     
         14 . Heat exchanger according to  claim 1 , wherein the coolant is combustible and/or potentially explosive, and/or that the coolant is or contains propane, butane, isobutane or propene. 
     
     
         15 . Heat exchanger according to  claim 1 , wherein the heat exchanger is embodied as an evaporator of a compression refrigeration machine. 
     
     
         16 . Air conditioner arrangement for a switch cabinet, in particular for use with a switch cabinet, wherein the air conditioner arrangement includes a housing that has a cabinet side housing region and an external housing region, as well as a partition wall element arranged between the cabinet side housing region and the external housing region, which separates the cabinet side housing region and the external housing region from each other fluidically, wherein the air conditioner arrangement further comprises a heat exchanger according to  claim 1 . 
     
     
         17 . Air conditioner arrangement according to  claim 16 , wherein the housing accommodates the heat exchanger in such a manner that the manifolds are arranged in the external housing region and at least portions of the pipe elements are arranged in the cabinet side housing region. 
     
     
         18 . Air conditioner arrangement according to  claim 16 , wherein the partition wall element has at least two openings or cutouts, through which the heat exchanger passes in the assembled state. 
     
     
         19 . Air conditioner arrangement according to  claim 16 , wherein a fan is arranged and configured inside the housing to provide forced ventilation of the heat exchanger. 
     
     
         20 . Switch cabinet with a housing that accommodates a multiplicity of electronic components, wherein the switch cabinet contains a heat exchanger and/or an air conditioner arrangement according to  claim 1 .